US3411932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quality xerographic reproductions
Assignee: Xerox Corp
•
Filing: 1964-09-23
•
Granted: 1968-11-19
•
Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 David L Malone
- 👤 Edward F Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:33
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2007; G03G15/2098; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2752271A
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US3060024A
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US3088386A
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US3234018A
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US3053962A
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US3190198A
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US3256811A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |